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Brownian motion applies to all objects at the atomic scale or above. Heisenberg indeterminacy applies to all objects and dominates below the atomic scale.

There is currently no proven physical significance of the Planck length

What distinguishes living matter from inanimate matter?Could physicians use this to determine death?

I can do no better than quote WikipediaQuoteThere is currently no proven physical significance of the Planck lengthSince is it about 10^-20 of the diameter of a proton, the indeterminacy of any atom, let alone a molecule, far exceeds it. Stuff doesn't move by Planck increments.[So,is there an example of living material moving only one Planck length?

Quote from: David Reichard on 22/09/2016 20:38:46What distinguishes living matter from inanimate matter?Could physicians use this to determine death?Living matter increases its structural energy value and lowers structural entropy. The operative term is structural. Inanimate matter goes the other way.For example, if we look at a tree, as it grows bigger, more and more atoms of CO2 and H2O, become ordered into integrated structure; lowers entropy of the starting atoms. As the tree grows will can get more and more energy, if we burn the growing tree. After the tree dies and it becomes inanimate, it starts to disintegrate; entropy increase, and its energy value decreases.

Hi.I believe I may be the first person to comment on the following subject as I can find no reference to it anywhere else. The subject relates to an alternative model on the interpretation of the true nature of reality. However, the whole model falls apart if the following observation is proved as being incorrect. The model can differentiate between the movement of the coordinates of inanimate matter in 3 dimensional space and that of living ( and moving) organisms within that same 3-D space.The model highlights an event which occurs only within the matter of living organisms moving within 3-D space. And by 'within' I mean an area with a volume of 1 Planck Sphere in diameter. The model postulates that an 'area' of that size cannot exist in our own relative particular 3-D space. The Planck unit of time represents a moment when nothing can be known of the Planck length coordinate in the intervening time between starting the Planck stopwatch and the moment we stop the watch (at the moment the coordinate has moved a distance of 1 Planck length). When we stop the watch, we can entirely predict the position & state of every inanimate particle of matter at it's / their new coordinate in the 4 dimensional spacetime. We do not possess that same predictability about the future position of the coordinates of living matter however. Moreover, there is an event which occurs at a distance of 1 Planck length and which can only occur uniquely within that of living matter moving in 3-D space.This event occurs when a [particle of matter] coordinate of a living organism is moving in a particular direction trajectory in 3-D space at any given moment. After a period of 1 Planck stopwatch unit of time, the coordinate of living matter meets itself coming back at 180 degrees in the opposite direction. The degree of tolerance from a perfect infinite 180 degree opposite trajectory is 1 Planck length.This situation of a 180 degree returning of a particle of matter back to the coordinate it occupied 1 Planck unit ago, does not exist in the natural movement of inanimate matter in 3- D space. It appears to exist in living matter however.It is only through the application of the conscious free will of the living organism choosing to move a coordinate/particle of it's body in entirely the opposite direction that this event occurs at all.I would appreciate to know if any part of this observation is incorrect.

'The whole lot is incorrect. That is only because you haven't got a clue what you are talking about. lol!' Athenican.The only possible response left therefore is that I reiterate what I have already stated. I can respond better if you choose at least 1 thing you disagree with. This will give me the opportunity to explain why you are mistaken. '[So,is there an example of living material moving only one Planck length?' David Reichard.The movement of all living organisms through 3- D space occurs in increments of 1 Planck length. If you fix the position of a coordinate of living material as it is moving in a particular velocity through 3-D space and start your Planck moment stopwatch, when you stop the watch after a period of 1 Planck moment, the coordinate will have adopted a new position in 4- D space. Is it accurate to say that in the intervening 1 Planck moment, that the coordinate has stopped moving in the trajectory it was moving?